POMELO
SubstationTexas · AEP TEXAS CENTRAL CO.
At a glance
POMELO is an electric transmission substation in Texas, on AEP TEXAS CENTRAL CO.'s transmission network. It is classified as high-voltage (345 kv) and connects 2 transmission lines. Substation proximity is one of the strongest speed-to-power signals for siting a datacenter — interconnection distance to an energized, high-voltage bus is often the binding constraint on time-to-energization.
Voltage & classification
Connected transmission lines
Lines terminating at or passing through this substation, by HIFLD line ID, highest voltage first.
| Line ID | Voltage | Owner | Status | Length |
|---|---|---|---|---|
| #301892 | 345 kV | AEP TEXAS CENTRAL CO. | IN SERVICE | 5.0 mi |
| #308005 | 40 kV | AEP TEXAS CENTRAL CO. | IN SERVICE | 3.0 mi |
Nearby datacenter candidate sites
Scored candidate sites within roughly 25 miles of POMELO, ranked by DC Readiness. Sites this close to an energized substation carry a strong speed-to-power advantage.
| Site | Type | State | County | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|---|---|
| NORTH EDINBURG | Substation-Adjacent | TX | Hidalgo County | 345 kV | 600 MW | 3.5 yrs | 68.1 |
| EC FFE Hidalgo County | Greenfield | TX | Hidalgo County | — | — | 3.5 yrs | 66.5 |
| OZ Hidalgo | Greenfield | TX | Hidalgo | — | — | 3.5 yrs | 66.4 |
| OZ Hidalgo | Greenfield | TX | Hidalgo | — | — | 3.5 yrs | 65.9 |
| LOS MIRASOLES | Substation-Adjacent | TX | Starr County | 345 kV | 600 MW | 3.5 yrs | 65.1 |
| POMELO | Substation-Adjacent | TX | Hidalgo County | 345 kV | 600 MW | 3.5 yrs | 64.6 |
| MIGHOWARD | Substation-Adjacent | TX | Starr County | 345 kV | 600 MW | 3.5 yrs | 64.5 |
| DEL SOL | Substation-Adjacent | TX | Starr County | 345 kV | 600 MW | 3.5 yrs | 64.1 |
How does POMELO compare with other substations in Texas?
Texas has 4,939 substation records in HIFLD, of which 1,426 carry a station name; the rest are unnamed tap points, risers and line ends. 198 named substations in the state are in POMELO's 345–499 kV band (14% of named stations). 2 sit in a higher band. 200 named substations in Texas operate at 345 kV or above. The highest voltage recorded in the state is 500 kV, and the state median is 138 kV.
Who owns the transmission lines at POMELO?
The 2 connected lines listed above are owned by AEP TEXAS CENTRAL CO. Line voltages range from 40 kV to 345 kV. Their combined recorded length is about 8 miles.
How do candidate sites near POMELO score?
The 8 highest-scoring candidate sites within about 25 miles range from 64 to 68 on the 0–100 DC Readiness scale. They fall in Hidalgo County, Hidalgo, Starr County. The Texas average across 6,839 scored sites is 56.4. 3,635 of those Texas sites are classed as substation sites (candidate locations generated at an existing substation).
Frequently asked questions
What voltage is POMELO substation?
POMELO has a maximum voltage of 345 kV and a minimum of 40 kV. That places it in the 345–499 kV band. The median named US substation in this dataset is 115 kV, so POMELO is above the national midpoint.
How many transmission lines connect to POMELO substation?
2 transmission lines terminate at or pass through POMELO in the HIFLD line data. The connected lines listed here run at 345 kV, 40 kV. Together the listed lines cover about 8 miles.
Who owns POMELO substation?
HIFLD does not publish substation owners directly. Most of the transmission lines that end at POMELO belong to AEP TEXAS CENTRAL CO. GridCensus derives this from the line data, so confirm ownership with the utility for anything contractual.
Where is POMELO substation located?
POMELO is in Texas at 26.4926, -98.4484. The datacenter candidate sites closest to it are in Hidalgo County, Hidalgo, Starr County.
Are there datacenter candidate sites near POMELO substation?
GridCensus lists at least 8 scored candidate sites within roughly 25 miles of POMELO. The highest-scoring is NORTH EDINBURG at 68/100. Across Texas, the average DC Readiness score is 56.4.
Other 345 kV substations in Texas
- GREENS BAYOU 345· 21 lines
- ROYSE· 17 lines
- CEDAR BAYOU PLANT· 16 lines
- PH ROBINSON· 16 lines
- VENUS· 16 lines
- SKYLINE· 15 lines
- SOTEX5· 15 lines
- PARISH· 14 lines
- All named substations in Texas· 1,426 stations
- Datacenter candidate sites in Texas· 6,839 sites
- Brownfield and retired plant sites in Texas
- Substations by state
About this data
Source: HIFLD Electric Substations and Transmission Lines (U.S. Department of Homeland Security), as published June 29, 2026. See the methodology for how records are matched, cleaned and scored.
Cite as: GridCensus, “POMELO substation, Texas”, https://gridcensus.com/substations/texas/pomelo-07e44d8d (data as of June 29, 2026).
Dataset updated . Screening estimates derived from public data sources.
Substation attributes are derived from public HIFLD / EIA infrastructure data and may lag real-world upgrades or retirements. Voltage and connected-line counts are screening figures — confirm available capacity and interconnection terms directly with the operating utility and ISO.
Go deeper than the public screen
Every site and score for POMELO substation, Texas is free to browse. Pro adds Watchtower on 25 sites, alerts when new candidate sites, datacenters or interconnection-queue requests appear in your markets, score and capacity history, and CSV export. Enterprise adds team seats, weekly data files for all 147,272 sites, the REST API and an MCP server for AI tools.